output current is emitter current i.e.,Ie
common emitter configuration is use for amplification purpose while common collector is use as buffer as its op is same as ip..
ethiyopia
When using the Op-amp we get constant current generation of the linear sweep voltage.
That's referred to as, `hfe` in transistor parlance. Essentially, since a transistor is a current operated device, the gain means that for every milliamp in at the base, the gain (times X) will be amplified through the junction of the collector/emitter. For instance, take a transistor with a gain of 30. One milliamp in at the base will allow the transistor to pass 30 milliamps through the collector/emitter junction. Of course, there will also be a resultant voltage drop of 1.2 volts over all. -.6 volts for the base and -.6 volts through the collector/emitter junction. Remember, you're working with a current controlled device, and not a voltage controlled device like an op-amp.
No. You can do just the current field op.
An op-amp is a DC coupled amplifier composed of two main stages:differential input stagehigh gain output stageBy use of appropriate feedback networks around the op-amp all the mathematical operations of an analog computer can be implemented. Because of its versatility op-amps have found wide usage in electronic fields unrelated to its original usage in analog computers.
The current field op -as of April seventh- is in the lodge by the ladder. There should be a suitcase and if you click on it the field op is right there. It is difficult so be patient. I will post the newest field op every time it comes out! :)
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A: They both use transistors. In actuality before an op amp becomes an op amp a discrete transistor made is made to provide it capabilities before it gets integrated into a substrate chip we call op amp. OP AMP have two input to work as a differential amplifier the input are bases closely match to provide virtual no voltage or current offset. Single ended amplifier has one input its reference is the signal source return.
A: An op amp will have the capability to drive a load equivalent to its maximum output if more current is tried to for out the last stage will saturate causing malfunction of the circuit but if not sustained for too long it need not be catastrophic reducing the load can restore the op amp because of its protective design.
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